20921520332

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{1453}}^1\times {\mathrm{18089}}^1$

素因数の和:19745

約数の個数: 24

約数和(自身を含む): 36824004000

約数和(自身を除く): 15902483668

約数列:

[1, 2, 4, 199, 398, 796, 1453, 2906, 5812, 18089, 36178, 72356, 289147, 578294, 1156588, 3599711, 7199422, 14398844, 26283317, 52566634, 105133268, 5230380083, 10460760166, 20921520332]

約数ペア:

[(1, 20921520332), (2, 10460760166), (4, 5230380083), (199, 105133268), (398, 52566634), (796, 26283317), (1453, 14398844), (2906, 7199422), (5812, 3599711), (18089, 1156588), (36178, 578294), (72356, 289147)]